Honeywell TH9421 Owner's Manual - Page 19

Humidification control

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Humidification control VisionPRO® IAQ Set Frost Control & humidity level 32 Inside DONE Press to save & exit 5 FROST DEHUMIDIFIER 55 CANCEL Press MORE until the humidifier screen is displayed, then press s or t to set the humidity and Frost Control level. When using Frost Protection, if frost/condensation appears on windows, lower the frost setting. Wait at least 1 day before adjusting the frost level again. Once frost no longer appears, the thermostat will control humidity to the maximum level without frosting or fogging windows and without further adjustment. Press DONE to save and exit, or press CANCEL to exit without saving changes. Note: If you do not have an outdoor temperature sensor, the Frost Control level will not be displayed. 17 69-1815EFS-06

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VisionPRO
®
IAQ
17
69-1815EFS—06
Humidification control
Press
MORE
until the humidifier screen is dis-
played, then press
s
or
t
to set the humidity
and Frost Control level.
When using Frost Protection, if frost/conden-
sation appears on windows, lower the frost
setting. Wait at least 1 day before adjusting the
frost level again. Once frost no longer appears,
the thermostat will control humidity to the
maximum level without frosting or fogging win-
dows and without further adjustment.
Press
DONE
to save and exit, or press
CANCEL
to
exit without saving changes.
Note:
If you do not have an outdoor temperature
sensor, the Frost Control level will not be displayed.
Set Frost Control & humidity level
Press to save & exit
DONE
CANCEL
DEHUMIDIFIER
Inside
FROST
5
32
55